Cat4500e-universalk9.spa.03.11.00.e.152-7.e.bin Here

license boot level enterprise-services

If you are running any 3.9.x or 3.10.x image, this release is a mandatory security upgrade.

| Feature | Standard (e.g., 152-6.e) | Extended (152-7.e) | | :--- | :--- | :--- | | New hardware/software features | Yes | No (security/stability only) | | Patch frequency | Every 8–12 weeks | Every 6 months (critical only) | | Support duration | 1 year | 3–5 years | | Recommended for production | No (testing only) | |

license boot level enterprise-services

If you are running any 3.9.x or 3.10.x image, this release is a mandatory security upgrade.

| Feature | Standard (e.g., 152-6.e) | Extended (152-7.e) | | :--- | :--- | :--- | | New hardware/software features | Yes | No (security/stability only) | | Patch frequency | Every 8–12 weeks | Every 6 months (critical only) | | Support duration | 1 year | 3–5 years | | Recommended for production | No (testing only) | |